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High grade sarcoma presenting as multifocal recurrent seromas after inguinal hernia repair: A case report.

ABSTRACT: In this report, we describe a 54-year-old male with cystic retroperitoneal sarcoma extending through the inguinal canal. Patient initially underwent inguinal hernia repair with mesh placement for suspected cord lipoma, after which he developed recurrent loculated retroperitoneal fluid collections refractory to multiple attempts at drain placement and laparotomy. Twenty-nine months after initial surgery, patient was referred to our institution on suspicion of malignancy. Pathology of resections taken during subsequent laparotomy showed foci of malignant cells interspersed throughout reactive proliferations. Follow-up immunohistochemistry confirmed high-grade sarcoma, likely atypical liposarcoma, but was unable to definitively establish subtype. Despite en bloc resection and gemcitabine/docetaxel chemotherapy, local progression continued, and patient was enrolled in clinical trials of doxorubicin with dual immune checkpoint blockade. This case suggests that sarcoma should be considered as a differential diagnosis of retroperitoneal or inguinal mass unresponsive to treatment; and highlights the difficulty of subtyping and managing cystic retroperitoneal sarcoma.

SUBMITTER: Muir LD

PROVIDER: S-EPMC7809524 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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High grade sarcoma presenting as multifocal recurrent seromas after inguinal hernia repair: A case report.

Muir Lorne D LD Woelfle Joshua D JD Schowinsky Jeffrey J Wilky Breelyn A BA

Rare tumors 20201129

In this report, we describe a 54-year-old male with cystic retroperitoneal sarcoma extending through the inguinal canal. Patient initially underwent inguinal hernia repair with mesh placement for suspected cord lipoma, after which he developed recurrent loculated retroperitoneal fluid collections refractory to multiple attempts at drain placement and laparotomy. Twenty-nine months after initial surgery, patient was referred to our institution on suspicion of malignancy. Pathology of resections t ...[more]

PMID: 33489055

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Project description:BackgroundReduction en masse (REM) is a rare condition following manual inguinal hernia (IH) reduction in which a hernia sac is reduced back into the preperitoneal space with a loop of the bowel incarcerated at the neck of the sac. It resembles successful manual reduction and may thus be overlooked easily. We herein report an infantile case of REM of an IH that was successfully treated laparoscopically.Case presentationA 10-month-old boy with a surgical history of bilateral open IH repair at 4 months old presented with a bulge in his left groin and vomiting. A left incarcerated recurrent IH was suspected, and manual reduction was performed. The hernia was apparently reduced successfully, but abdominal distention and vomiting persisted. He was admitted for further observation due to the symptoms. On day 2 after admission, abdominal X-ray showed extensive small bowel obstruction (SBO). Enhanced computed tomography (CT) revealed protrusion of the small bowel with a closed-loop in the left groin. A closed-loop SBO due to postoperative adhesion or an internal hernia was suspected. To assess the etiology of SBO, emergent laparoscopic exploration with hernia repair was planned. Laparoscopy revealed REM of the left incarcerated IH with a thickened peritoneum at the neck of the sac. Laparoscopic reduction was performed, and the incarcerated small bowel showed no signs of ischemia. The hernia sac was not associated with the previously ligated processes vaginalis, which had been closed by a previous Potts' procedure. It was located at the inside of the processes vaginalis. The sac was successfully closed by laparoscopic percutaneous extraperitoneal closure procedures, and iliopubic tract repair was also performed via the previous inguinal incision. The postoperative course was uneventful.ConclusionPediatric IH is due to the patent processes vaginalis, and REM is extremely rare. Laparoscopic surgery for REM is a relatively common and useful approach for the diagnosis and treatment of adults. In our infantile case, the laparoscopic approach was similarly effective for both investigating the cause of SBO and performing high ligation of the sac for this rare condition with IH.

Dataset Information

High grade sarcoma presenting as multifocal recurrent seromas after inguinal hernia repair: A case report.

Publications

High grade sarcoma presenting as multifocal recurrent seromas after inguinal hernia repair: A case report.

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